| 薄煤层小煤柱沿空掘巷支护技术 |
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| 引用本文： | 庄启恒,段西凯. 薄煤层小煤柱沿空掘巷支护技术[J]. 中州煤炭, 2011, 0(10) |
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| 作者姓名： | 庄启恒 段西凯 |
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| 作者单位： | 山东科技大学资源与环境工程学院;煤炭科学研究总院沈阳研究院; |
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| 摘 要： | 在分析矿井地质条件的基础上,根据经验公式,研究确定薄煤层条件下沿空掘巷小煤柱的合理尺寸。为了保证巷道的稳定性,根据试验面的地质条件,结合实践经验以及采矿理论确定试验巷道采用锚网梁索联合支护的方式。现场试测表明,采用锚网梁索联合支护方式,能够满足安全生产的需要。留4 m小煤柱沿空掘巷的实践,取得了良好的经济效益。
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| 关 键 词： | 沿空掘巷 小煤柱 支护方式 薄煤层 锚网索 |
Supporting Technology in Gob-side Entry Driving with Small Pillar in Thin Coal Seam |
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| Zhuang Qiheng,Duan Xikai. Supporting Technology in Gob-side Entry Driving with Small Pillar in Thin Coal Seam[J]. Zhongzhou Coal, 2011, 0(10) |
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| Authors: | Zhuang Qiheng Duan Xikai |
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| Affiliation: | Zhuang Qiheng1,Duan Xikai2(1.College of Natural Resources and Environmental Engineering,Shandong University of Science and Technology,Qingdao 266510,China,2.Shenyang Branch of China Coal Research Institute,Shenyang 110016,China) |
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| Abstract: | According to the analysis on geological conditions of coal mine,based on the empirical formula,the reasonable width of small coal pillar in gob-side entry driving was studied and determined under the condition of thin seam.To ensure the stability of the mine gateway,based on the geological condition of coal seam in the test face and combined with practical experience and mining theory,combined supporting with bolt mesh and cable method was determined on test roadway.The site measurement results show that,by... |
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| Keywords: | gob-side entry driving small coal pillar supporting method thin coal seam cable anchor |
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